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Description:

USB/MPI (Isolated) Cable (product order number is: 6ES7 972-0CB20-0XA0) adapter, USB to RS485 interface to achieve level conversion and USB to MPI (Multi-Point Interface) protocol conversion for connecting Siemens S7-300/400 series PLC's MPI port (RS485) and PC's USB port. The adapter will be through internal ASIC chip into a standard USB virtual RS232 port for USB conversion to the MPI protocol.

USB/MPI Isolated Cable V5.3 is designed for optical isolation for industrial-type adapter, the USB port and RS485 port are equipped with surge protection and lightning protection circuits can be any hot plug for Siemens S7-300/400 with a full line of PLC and other MPI interface device, particularly suitable for fragile communication port interferences industrial site, a variety of circuit protection measures to ensure the safe operation of the system.

            Characteristics and main technical parameters:

• Power: 24VDC by the PLC's MPI port, and USB powered, respectively, power is about 1W, with Over Current protection, and surge protection.
• Isolation Voltage: 2500VDC 【only ISO (Isolated Cable) type has】
• RS485 port with 600W lightning protection and Over Current protection.
• USB virtual RS232 port baud rate: 19.2Kbps ~ 115.2Kbp standard baud rate auto adaptation.
• MPI terminal baud rate: 187.5Kbps and 19.2Kbps automatically adapt.
• With working status light, data reception and data transmission indicator light.
• Operating temperature: -20 ~ 75 ℃
• Cable length: 3M

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